Pukhan sahoe kipʻi ilki
By: Chŏng Chʻang-hyŏn.
Edition: Chʻopʻan. 
Series: Minsogwŏn kyoyang munʼgo -- 001
Publisher: Minsogwŏn
Published: 2006
Place of publication: Sŏul
Language: kor
Number of pages: 199
Subjects: Korea (North) -- Social conditions; Korea (North) -- Social policy; Education -- Korea (North)